Annoying; Pesky; Pain in the neck; Bothersome
Anthony is so Obnoxious! He never shuts up, I can't get any work done!
by KittyKatGirl April 16, 2010
people who are very annoying and u dnt like to b around
Erin is very obnoxious so no one likes her
by wats up?!?!?!?!!! May 15, 2009
A person who is really loud and annoying
Joe is so obnoxious
by Alwaysrightikr May 28, 2014
Extremely arrogant and big headed

Sebbeth or Sebster often refers to himself as a God.

Do you not know who he is!?
Seb- " Do you know who i am?"
Ally - Your so obnoxious

look over there that guys head just exploded - Oh its just Seb
by pooods September 12, 2014
Katherine Patricia. aka Katty.
Remember that Katty chick? What an obnoxious bitch.
by xxooxxoo May 25, 2011
'Noxious' is latin for meaning harm or in injury.
The 'ob' in front means "getting in the way of"

Therefore one is only obnoxious when they put themselves in harms way.
For example, Billy is obnoxious because he jay walks and almost gets hit by a car.
by Jess75 February 02, 2010
A person who is American.
I went to Hiroshima and met an obnoxious American complaining about Japanese war crimes while in the peace museum.
by Just someone. February 29, 2004

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